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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-09-12 Bernard The first version
*/
#ifndef LIBC_SIGNAL_H__
#define LIBC_SIGNAL_H__
#ifdef __cplusplus
extern "C" {
#endif
#ifdef HAVE_CCONFIG_H
#include <cconfig.h>
#endif
#ifndef HAVE_SIGVAL
/* Signal Generation and Delivery, P1003.1b-1993, p. 63
NOTE: P1003.1c/D10, p. 34 adds sigev_notify_function and
sigev_notify_attributes to the sigevent structure. */
union sigval
{
int sival_int; /* Integer signal value */
void *sival_ptr; /* Pointer signal value */
};
#endif
#ifndef HAVE_SIGEVENT
struct sigevent
{
int sigev_notify; /* Notification type */
int sigev_signo; /* Signal number */
union sigval sigev_value; /* Signal value */
void (*sigev_notify_function)( union sigval );
/* Notification function */
void *sigev_notify_attributes; /* Notification Attributes, really pthread_attr_t */
};
#endif
#ifndef HAVE_SIGINFO
struct siginfo
{
rt_uint16_t si_signo;
rt_uint16_t si_code;
union sigval si_value;
};
typedef struct siginfo siginfo_t;
#endif
#define SI_USER 0x01 /* Signal sent by kill(). */
#define SI_QUEUE 0x02 /* Signal sent by sigqueue(). */
#define SI_TIMER 0x03 /* Signal generated by expiration of a
timer set by timer_settime(). */
#define SI_ASYNCIO 0x04 /* Signal generated by completion of an
asynchronous I/O request. */
#define SI_MESGQ 0x05 /* Signal generated by arrival of a
message on an empty message queue. */
#ifdef RT_USING_NEWLIB
#include <sys/signal.h>
#endif
#if defined(__CC_ARM) || defined(__CLANG_ARM)
#include <signal.h>
typedef unsigned long sigset_t;
#define SIGHUP 1
/* #define SIGINT 2 */
#define SIGQUIT 3
/* #define SIGILL 4 */
#define SIGTRAP 5
/* #define SIGABRT 6 */
#define SIGEMT 7
/* #define SIGFPE 8 */
#define SIGKILL 9
#define SIGBUS 10
/* #define SIGSEGV 11 */
#define SIGSYS 12
#define SIGPIPE 13
#define SIGALRM 14
/* #define SIGTERM 15 */
#define SIGURG 16
#define SIGSTOP 17
#define SIGTSTP 18
#define SIGCONT 19
#define SIGCHLD 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGPOLL 23
#define SIGWINCH 24
/* #define SIGUSR1 25 */
/* #define SIGUSR2 26 */
#define SIGRTMIN 27
#define SIGRTMAX 31
#define NSIG 32
#define SIG_SETMASK 0 /* set mask with sigprocmask() */
#define SIG_BLOCK 1 /* set of signals to block */
#define SIG_UNBLOCK 2 /* set of signals to, well, unblock */
typedef void (*_sig_func_ptr)(int);
struct sigaction
{
_sig_func_ptr sa_handler;
sigset_t sa_mask;
int sa_flags;
};
#define sigaddset(what,sig) (*(what) |= (1<<(sig)), 0)
#define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0)
#define sigemptyset(what) (*(what) = 0, 0)
#define sigfillset(what) (*(what) = ~(0), 0)
#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
int sigprocmask (int how, const sigset_t *set, sigset_t *oset);
int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
#elif defined(__IAR_SYSTEMS_ICC__)
#include <signal.h>
typedef unsigned long sigset_t;
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
/* #define SIGABRT 6 */
#define SIGEMT 7
#define SIGFPE 8
#define SIGKILL 9
#define SIGBUS 10
#define SIGSEGV 11
#define SIGSYS 12
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGURG 16
#define SIGSTOP 17
#define SIGTSTP 18
#define SIGCONT 19
#define SIGCHLD 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGPOLL 23
#define SIGWINCH 24
#define SIGUSR1 25
#define SIGUSR2 26
#define SIGRTMIN 27
#define SIGRTMAX 31
#define NSIG 32
#define SIG_SETMASK 0 /* set mask with sigprocmask() */
#define SIG_BLOCK 1 /* set of signals to block */
#define SIG_UNBLOCK 2 /* set of signals to, well, unblock */
typedef void (*_sig_func_ptr)(int);
struct sigaction
{
_sig_func_ptr sa_handler;
sigset_t sa_mask;
int sa_flags;
};
#define sigaddset(what,sig) (*(what) |= (1<<(sig)), 0)
#define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0)
#define sigemptyset(what) (*(what) = 0, 0)
#define sigfillset(what) (*(what) = ~(0), 0)
#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
int sigprocmask (int how, const sigset_t *set, sigset_t *oset);
int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
#endif
#ifdef __cplusplus
}
#endif
#endif
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